Rechargeable Wireless Mouse, SIIG Dual Mode Wired & Wireless Rechargeable Backlit Cumputer PC Gaming Mouse with 8 Buttons, 4 Level Adjustable DPI DUAL MODE allows you to operate the mouse in wired or 2.4GHz wireless mode for optimal computing and gaming convenience; No driver needed to work in wireless mode INCLUDES 8 functional buttons, a scroll wheel, USB Type A to Micro-B braided cable, and integrated rechargeable 1200mAh Lithium Polymer battery provides hours of use; Dual-color power LED indicates battery charge status. ADJUSTING DPI: 4-level optical sensor (1000/1600/2000/2400 DPI); Selectable 250HZ and 500Hz polling rates enhance signal response. ERGONOMIC DESIGN provides comfortable hand position with enhanced wrist support; LED backlight enhances gaming experience and accessibility under low light environment. NOTE: Various Gaming/Multimedia function buttons not active in select Windows OS versions.